#include <stdio.h>


enum data
{
    Monday = 1,
    Tuesday,
    Wednesday,
    Thursday,
    Friday,
    Saturday,
    Sunday
};


int main()
{
    int a = 1;

    switch(a)
    {
        case Monday:
        printf("星期一!\n"); break;
        case Tuesday:
        printf("星期二!\n"); break;
        case Wednesday:
        printf("星期三!\n"); break;
        case Thursday:
        printf("星期四!\n"); break;
        case Friday:
        printf("星期五!\n"); break;
        case Saturday:
        printf("星期六!\n"); break;
        case Sunday:
        printf("星期天!\n"); break;
        default:
            break;
    }
    return 0;
}